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metam (Ref: N 869)
** metam-sodium ** metham ** methylcarbamodithioic acid, sodium salt ** carbam ** carbathion ** metam ** metham-sodium ** Traducciones

Destino ambiental - Ecotoxicología - La salud humana - A a Z Indice - Inicio

INFORMACIÓN GENERAL Click here for an explantaion of the general chemical status information
for metam-sodium

Descripción: A multi-action crop protection agent used as a pre-planting soil sterilant

Ejemplos de plagas controladas: Weed and disease suppression including control of annual bluegrass, chickweed, ragweed, nutgrass, morning glory; Sclerotina, club root and Rhizoctonia; Damping off; Some nematodes

Ejemplos de aplicaciones: Vegetables; Fruit; Ornamentals; Fiber crops; Cover crops

Eficacia y actividad: -

Availability status: Current

Introduction & key dates: 1951, first reported

CEE Regulación 1107/2009 ( 91/414):
Estado Approved
Dossier rapporteur/co-rapporteur Belgium
Date inclusion expires 30/06/2022
UE Candidatas a sustitución Yes - low ADI / ARfD / AOEL
Incluido en la base de datos de la UE

Approved for use () or known to be used () in the following European countries: Click to access a note on the approvals information on this site

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Also used in: Australia, Estados Unidos

Estructura química: Click here for further information on the general chemical status information used on this site
Isomerism -
Fórmula química C2H4NNaS2
Canonical SMILES CNC(=S)[S-].[Na+]
Isomeric SMILES No data
International Chemical Identifier Key (InChIKey) AFCCDDWKHLHPDF-UHFFFAOYSA-M
International Chemical Identifier (InChI) InChI=1S/C2H5NS2.Na/c1-3-2(4)5;/h1H3,(H2,3,4,5);/q;+1/p-1
¿Diagrama de estructura 2D / imagen disponible?

Estado general: Click here for further information on the general chemical status information used on this site
Tipo de pesticida Herbicida, Fungicide, Nematicide, Insecticide
Grupo químico Carbamate
Minimum active substance purity 965 g/kg
Known relevant impurities EU dossier - methylisothiocyanate <12g/kg dry wt, N,Ní-dimethylthiourea 23.0 g/kg dry wt
Sustancias de origen Sintéticas
Modo de acción Soil fumigant, binds to oxygen carrying molecules and prevents tissues from using oxygen.
CAS RN 137-42-8
CEE número 205-293-0
Número CIPAC 20.011
EPA américaine chimiques de code 039003
PubChem CID 5366415
Masa molecular (g mol-1) 129.19
PIN (Preferred Identification Name) -
Nombre IUPAC sodium N-methyldithiocarbamate
Nombre CAS methylcarbamodithioic acid sodium salt
Otra información de estado Marine Pollutant
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Z
Herbicide Resistance Classification (WSSA) -
Insecticide Resistance Classification (IRAC) No aplicable
Fungicide Resistance Classification (FRAC) Not known
Examples of recorded resistance -
Estado físico White crystalline powder
Related substances & organisms

Formulaciones:
Propiedad Click here for information on the general product and branding information used on this site Valor
Example manufacturers & suppliers of products using this active now or historically
  • United Phosphorus
  • New Farm Australia
  • Sinochem
  • Vapam
Example products using this active
  • Discovery
  • Sistan
  • Maposol
  • Ucetam
Estado de UK LERAP None
Formulation and application details Often supplied as a soluble concentrate or liquid fumigant.


DESTINO AMBIENTAL

for metam-sodium

Propiedad Click here for information on the parameters used to describe environmental fate on this site Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with fate data Interpretación Click here for information on the way in which we interpret environmental fate data
Solubilidad - En aqua en 20oC (mg l-1) 578290 A5 Alto
Solubilidad - en solventes organicos en 20oC (mg l-1) 212.6 A5 - n-Heptano -
261.1 A5 - Xileno -
203.2 A5 - Acetato de etilo -
218.8 A5 - Acetona -
Punto de fusión (oC) 88.5 A5 -
Punto de ebullición (oC) Decomposes before boiling A5 -
El punto de degradación (oC) 150 A5 -
Punto de inflamación (oC) 97 A5 -
Octanol-aqua coeficiente de particiónat en pH 7, 20oC P 1.23 X 10-03 Calculado -
Log P -2.91 A5 Bajo
Masa densidad (g ml-1)/Peso específico - - -
Disociación constante (pKa) at 25oC 2.99 A5 -
Nota: pKa(2) = 11.06
Presión de vapor en 20oC (mPa) 57.5 A5 Altamente volŠtil
Constante de Henry a 25oC (Pa m3 mol-1) 8.34 X 10-06 A5 No volátil
Indice de potencial de lixiviación GUS Click here for a note on the limitations of the GUS index -5.50 Calculado Bajo posibilidad de lixiviación
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Click here for a note on the limitations of the SCI-GROW index Valor 2.56 X 10-05 Calculado -
Nota -
Potencial para transportar de 'particle bound' Click here for a note on the limitations of the potential for particle bound transport index - Calculado Bajo
Maximum UV-vis absorption L mol-1 cm-1 Neutral solution: 205.0nm = 7502.8, 248.0nm = 7942.3, 280.0nm = 9924.0, 290nm >10; [Acidic solution: can not measured due to rapid hydrolysis; [Basic solution: 248.0nm = 8042.5, 280.0nm = 9796.8, 290nm >10 A5 -
Surface tension (mN m-1) 72.0 A5 at 21oC -

Degradación:
Propiedad Click here for information on the parameters used to describe substance degradation Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with degradation data Interpretación Click here for information on the way in which we interpret substance degradation data
Biodegradabilidad general -
Degradación de suelo (días) (aerobic) DT50 (típico) 7 C4 No persistente
DT50 (laboratorio en 20oC) 0.01 A5 No persistente
DT50 (campo) 7 C4 No persistente
DT90 (laboratorio en 20oC) 0.03 A5 -
DT90 (campo) - - -
Endpoint de modelado DT50 - - -
Nota EU Dossier lab studies DT50 range 4-22 minutes, DT90 range 13-72 minutes; Other sources: up to 7 days
Dissipation rate RL50 on plant matrix Valor - - -
Nota -
Dissipation rate RL50 on and in plant matrix Valor - - -
Nota -
Acuoso fotólisis DT50 (días) en pH 7 Valor 0.05 A5 Rápido
Nota -
Acuoso hidrólisis DT50 (días) en 20oC y pH 7 Valor 2.2 A5 No persistente
Nota pH sensitive: DT50 1.9 days at pH 5, 4.5 days at pH 9, all at 25 degC
Aqua-Sedimento DT50 (días) 0.07 A5 Rápido
Fase de agua sola DT50 (días) - - -

De absorción del suelo y la movilidad:
Propiedad Click here for information on the parameters used to describe substance adsorption and mobility Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with adsorption and mobility data Interpretación Click here for information on the way in which we interpret substance adsorption and mobility
Lineal Kd - DW3 Móvil
Koc 17.8
Notas y rango EU dossier data
Freundlich Kf - - -
Kfoc -
1/n -
Notas y rango -
pH senbsibilidad -

Key metabolites:
Metabolito Medio de formación Maximó Calculado de Fracción Ocurrencia 1107/2009 Importancia Click here for further information on 1107/2009 relevancy
methyl isothiocyanate (Ref: SN-32866) This metabolite may cause environmental pollution, click here for further information Suelo   0.829   Major fraction, Relevant

Other known metabolites:
Metabolite name and reference Aliases Medio de formación / Rate Maximó Calculado de Fracción Ocurrencia Metabolising enzymes
N,Ní-dimethylthiourea
Nota: Toxicologically relevant
DMTU Groundwater; Water/sediment - -
dimethylurea DMU Water/sediment - -
- DMTD Water/sediment - -
IMPURITY: - - - -
N,Ní-dimethylthiourea DMTU Present in product - -


ECOTOXICOLOGÍA

for metam-sodium

Propiedad Click here for information on the parameters used to describe substance ecotoxicology Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with ecotoxicology data Interpretación Click here for information on the way in which we interpret substance ecotoxicology
Factor de la bio-concentración BCF (l kg-1) 0.03 Q2 Estimado Bajo potencial
CT50 (días) No disponible -
Mamíferos - Agudos oral LD50 (mg kg-1) 896 A5 Rata Moderado
Mamíferos - a corto plazo NOEL (mg kg-1) - - -
(ppm dieta) - -
Pájaros/aves - Agudos LD50 (mg kg-1) 211 A5 Colinus virginianus Moderado
Birds - Short term dietary (LC50/LD50) > 448 mg kg-1 bw/día A4 Colinus virginianus -
Pez - agudo 96 hora LC50 (mg l-1) > 0.175 A5 Lepomis macrochirus Moderado
Pez - Crónico 21 días NOEC (mg l-1) - - -
Invertebrados acuáticos - Agudos 48 hora EC50 (mg l-1) 0.99 A5 Daphnia magna Moderado
Invertebrados acuáticos - Crónicos 21 días NOEC (mg l-1) - - -
Crustáceos acuáticos - Agudos 96 hora LC50 (mg l-1) - - -
Sediment dwelling organisms - Agudos 96 hora LC50 (mg l-1) - - -
Sediment dwelling organisms - Crónicos 28 día NOEC, estático, agua (mg l-1) - - -
Sediment dwelling organisms - Crónicos 28 día NOEC, sedimento (mg kg-1) - - -
Plantas acuáticas - Agudos 7 día EC50, biomasa (mg l-1) - - -
Non-target plants - - -
- - -
Algas - Agudos 72 hora EC50, crecimiento (mg l-1) 1.08 A5 Pseudokirchneriella subcapitata Moderado
Algas - Crónicos 96 hora NOEC, crecimiento (mg l-1) - - -
Abejas mielíferas Contacto aguda 48 hora LD50 (μg abeja-1) > 36.2 F4 Apis mellifera Moderado
Oral aguda 48 hora LD50 (μg abeja-1) - - -
Modo desconocido aguda 48 hora LD50 (μg abeja-1) > 36.2 F3 Moderado
Lombrices - Agudos 14 día LC50 (mg kg-1) - - -
Lombrices - Crónicos 14 día NOEC, reproducción (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Causalidad - - -
Otro arthropoda (1) LR50 g ha-1 - - -
% Causalidad -14.6 Reproducción
Dose: 608 kg ha-1
A5 Aleochara bilineata
-
Otro arthropoda (2) LR50 g ha-1 - - -
% Causalidad - - -
Soil micro-organisms - - -
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


LA SALUD HUMANA Y PROTECCIÓN

for metam-sodium

General:
Propiedad Click here for information on the parameters used to describe human health and protection issues Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with human health and protection data Interpretación Click here for information on the way in which we interpret human health and protection data
Threshold of Toxicological Concern (Cramer Class) Click here for a note on the limitations of the Cramer class High (class III) - -
Mamíferos - Agudos oral LD50 (mg kg-1) 896 A5 Rata Moderado
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 A5 Rat -
Mammals - Inhalation LC50 (mg l-1) 2.54 A5 Rat, 4 hr (whole body) -
Other Mammal toxicity endpoints - -
Consumo cada día aceptable (mg kg-1p.c. días-1) 0.001 A5 Dog, SF=100 -
ARfD - Acute Reference Dose (mg kg-1p.c. días-1) 0.1 A5 Rat, SF=100 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
El nivel de exposición del operador (AOEL) sistemíco (mg kg-1p.c. días-1) 0.001 A5 Dog, SF=100 -
Estudios den la absorción cutánea (%) 1-12 A5 concentration dependent -
Directivo 76/464 Sustancias Peligrosas - - -
Limites de exposiciones - - -
Exposure Routes Public Negligible risk to bystanders
Low risk of exposure via diet
Occupational Low risk to operators and other workers utilising PPE/PPC
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Mutágeno Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

Cuestiones generales de la salud humana Possible liver and urinary tract toxicant
USEPA - probable human carcinogen

: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data found

Handling issues:
Propiedad Click here for information on the parameters used to describe substance handling issues Valor Fuente/Cuenta de Cualidad/Otra Información Click here for information on the primary data sources used to populate this database with data on handling issues Interpretación Click here for information on the way in which we interpret data on handling issues
General Click here for a description of the International Maritime Dangerous Goods (IMDG) codes Corrosive
May liberate toxic gas when in contact with acids
Not explosive or oxidising
IMDG Transport Code is usually 8
CLP classification 2013 Health: H302, H314, H317
Environment: H400, H410
CEE clasificación de riesgos Click here to view information omn the EU risk phrases Reproduction risk category 3: R63
Xn - Harmful: R22, R43
H - Handling risks: R31, R34
N - Dangerous for the environment: R50, R53
CEE clasificación sin riesgos Click here to view information omn the EU safety phrases S1/2, S26, S36/37/39, S45, S60, S61
Clasificación de OSM II - Peligroso mediano
US EPA Classification (formulation) - -
Número de las NU 2771 for active, variable with product, usually 3082 or 3267
Waste disposal & packaging Click here for a description of UN packaging marks Spilled product is a hazardous waste and disposal must be at an approved manner
Packaging Group III (minor danger)


TRADUCCIONES

for metam-sodium

Idioma Nombre
Inglés metam-sodium
Francés metam
Alemán Metam
Danés metam
Italiano metam
Español metam
Griego -
Esloveno metam-natrij
Polaco metam
Sueco -
Húngaro -
Holandés metam-natrium

Última actualización del registro: Sunday 27 May 2018
Contacto: aeru@herts.ac.uk